Below is the original description for this product, any reference to warranty is to be ignored. Warranty for this item is 90 days as with all B Grade items.

B Grade items may have been used, have damaged packaging, missing accessories or a combination of these.

Some items may have scuff marks or slight scratches but should otherwise be an operable product.

You wanted it. We listened to you, and we made it. The killer performance of the ROCCAT™ Kone Pure, now with an ultra-precise, true 4000 DPI Pro-Optic (R3) optical sensor. Celebrating the five year anniversary since the award-winning Kone series was born, the Kone Pure Optical is a hat tip to the community feedback that shaped the series’ success story. With groundbreaking innovations such as Easy-Shift[+]™, Talk®, and Talk® FX, ROCCAT™’s Kone series has continued to set a new standard in gaming.